APA (7th ed.) Citation

Pan American Union. (1920). Foreign commerce of Chile for 1918. [publisher not identified].

Chicago Style (17th ed.) Citation

Pan American Union. Foreign Commerce of Chile for 1918. [Washington]: [publisher not identified], 1920.

MLA (9th ed.) Citation

Pan American Union. Foreign Commerce of Chile for 1918. [publisher not identified], 1920.

Warning: These citations may not always be 100% accurate.